APA (7th ed.) Citation

Grolier. (1997). Encyclopedia of Questions and Answer. Grolier Incorporated.

Chicago Style (17th ed.) Citation

Grolier. Encyclopedia of Questions and Answer. Grolier Incorporated, 1997.

MLA (8th ed.) Citation

Grolier. Encyclopedia of Questions and Answer. Grolier Incorporated, 1997.

Warning: These citations may not always be 100% accurate.